Pearblossom Elementary (Data source)
Source data for Pearblossom Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 735495 | 2405 | - | 2436 | = | -31 | * | (48 | / | 229) | = | -6.49781657 | ||
| 4 | 735496 | 2432 | - | 2485 | = | -53 | * | (42 | / | 229) | = | -9.72052399 | ||
| 5 | 735499 | 2445 | - | 2528 | = | -83 | * | (36 | / | 229) | = | -13.04803492 | ||
| 6 | 735500 | 2489 | - | 2552 | = | -63 | * | (39 | / | 229) | = | -10.72925759 | ||
| 7 | 735503 | 2485 | - | 2567 | = | -82 | * | (27 | / | 229) | = | -9.66812226 | ||
| 8 | 735504 | 2553 | - | 2586 | = | -33 | * | (37 | / | 229) | = | -5.33187772 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Pearblossom Elementary | -55 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 23163 | 2398 | - | 2436 | = | -38 | * | (46 | / | 216) | = | -8.09259256 | ||
| 4 | 23165 | 2407 | - | 2485 | = | -78 | * | (46 | / | 216) | = | -16.61111104 | ||
| 5 | 23167 | 2459 | - | 2528 | = | -69 | * | (29 | / | 216) | = | -9.26388887 | ||
| 6 | 23169 | 2483 | - | 2552 | = | -69 | * | (32 | / | 216) | = | -10.22222221 | ||
| 7 | 23171 | 2509 | - | 2567 | = | -58 | * | (35 | / | 216) | = | -9.39814815 | ||
| 8 | 23172 | 2483 | - | 2586 | = | -103 | * | (28 | / | 216) | = | -13.35185179 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Pearblossom Elementary | -67 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 23613 | 2434 | - | 2436 | = | -2 | * | (37 | / | 220) | = | -0.33636364 | ||
| 4 | 23615 | 2425 | - | 2485 | = | -60 | * | (55 | / | 220) | = | -15.0 | ||
| 5 | 23617 | 2408 | - | 2528 | = | -120 | * | (33 | / | 220) | = | -18.0 | ||
| 6 | 23618 | 2507 | - | 2552 | = | -45 | * | (28 | / | 220) | = | -5.72727272 | ||
| 7 | 23621 | 2510 | - | 2567 | = | -57 | * | (33 | / | 220) | = | -8.55 | ||
| 8 | 23622 | 2528 | - | 2586 | = | -58 | * | (34 | / | 220) | = | -8.96363633 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Pearblossom Elementary | -57 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 23632 | 2431 | - | 2436 | = | -5 | * | (53 | / | 211) | = | -1.25592417 | ||
| 4 | 23634 | 2463 | - | 2485 | = | -22 | * | (36 | / | 211) | = | -3.75355449 | ||
| 5 | 23637 | 2452 | - | 2528 | = | -76 | * | (33 | / | 211) | = | -11.8862559 | ||
| 6 | 23638 | 2485 | - | 2552 | = | -67 | * | (32 | / | 211) | = | -10.16113739 | ||
| 7 | 23640 | 2509 | - | 2567 | = | -58 | * | (27 | / | 211) | = | -7.42180093 | ||
| 8 | 23642 | 2551 | - | 2586 | = | -35 | * | (30 | / | 211) | = | -4.97630329 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Pearblossom Elementary | -39 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 23807 | 2414 | - | 2436 | = | -22 | * | (38 | / | 195) | = | -4.28717947 | ||
| 4 | 23808 | 2451 | - | 2485 | = | -34 | * | (54 | / | 195) | = | -9.41538458 | ||
| 5 | 23809 | 2465 | - | 2528 | = | -63 | * | (17 | / | 195) | = | -5.49230768 | ||
| 6 | 23810 | 2479 | - | 2552 | = | -73 | * | (33 | / | 195) | = | -12.35384614 | ||
| 7 | 23811 | 2529 | - | 2567 | = | -38 | * | (31 | / | 195) | = | -6.0410256 | ||
| 8 | 23812 | 2542 | - | 2586 | = | -44 | * | (22 | / | 195) | = | -4.96410253 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Pearblossom Elementary | -43 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -55 | -67 | -57 | -39 | -43 | -261.0 | -52.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -19.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -85.2
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 71% | 74% | 71% | 76% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Keppel Union Elementary school district | County of Los Angeles
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Pearblossom Elementary math proficiency
Zero+ meets standard.
65% less $meal
67% less $meal
63% less $meal
71% less $meal
90% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Elementary School (Public) schools in Keppel Union Elementary (5)
| Alpine Elementary | Antelope Elementary | Daisy Gibson Elementary |
| Lake Los Angeles Elementary | Pearblossom Elementary |