Cedargrove Elementary (Data source)
Source data for Cedargrove 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 | 658361 | 2429 | - | 2436 | = | -7 | * | (100 | / | 469) | = | -1.49253731 | ||
| 4 | 658364 | 2464 | - | 2485 | = | -21 | * | (122 | / | 469) | = | -5.46268655 | ||
| 5 | 658365 | 2495 | - | 2528 | = | -33 | * | (119 | / | 469) | = | -8.37313432 | ||
| 6 | 658368 | 2545 | - | 2552 | = | -7 | * | (128 | / | 469) | = | -1.91044776 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cedargrove Elementary | -17 | ||||||||||||
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 | 20922 | 2449 | - | 2436 | = | 13 | * | (106 | / | 455) | = | 3.02857142 | ||
| 4 | 20924 | 2475 | - | 2485 | = | -10 | * | (96 | / | 455) | = | -2.1098901 | ||
| 5 | 20926 | 2489 | - | 2528 | = | -39 | * | (132 | / | 455) | = | -11.31428571 | ||
| 6 | 20928 | 2547 | - | 2552 | = | -5 | * | (121 | / | 455) | = | -1.32967033 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cedargrove Elementary | -12 | ||||||||||||
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 | 21278 | 2427 | - | 2436 | = | -9 | * | (94 | / | 447) | = | -1.89261744 | ||
| 4 | 21280 | 2472 | - | 2485 | = | -13 | * | (109 | / | 447) | = | -3.17002236 | ||
| 5 | 21281 | 2492 | - | 2528 | = | -36 | * | (108 | / | 447) | = | -8.69798657 | ||
| 6 | 21283 | 2544 | - | 2552 | = | -8 | * | (136 | / | 447) | = | -2.43400447 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cedargrove Elementary | -16 | ||||||||||||
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 | 21259 | 2474 | - | 2436 | = | 38 | * | (92 | / | 403) | = | 8.67493796 | ||
| 4 | 21261 | 2471 | - | 2485 | = | -14 | * | (98 | / | 403) | = | -3.40446649 | ||
| 5 | 21263 | 2502 | - | 2528 | = | -26 | * | (109 | / | 403) | = | -7.03225806 | ||
| 6 | 21265 | 2536 | - | 2552 | = | -16 | * | (104 | / | 403) | = | -4.12903226 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cedargrove Elementary | -6 | ||||||||||||
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 | 21429 | 2455 | - | 2436 | = | 19 | * | (104 | / | 403) | = | 4.9032258 | ||
| 4 | 21430 | 2507 | - | 2485 | = | 22 | * | (92 | / | 403) | = | 5.0223325 | ||
| 5 | 21431 | 2504 | - | 2528 | = | -24 | * | (100 | / | 403) | = | -5.95533497 | ||
| 6 | 21432 | 2536 | - | 2552 | = | -16 | * | (107 | / | 403) | = | -4.24813894 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cedargrove Elementary | 0 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -17 | -12 | -16 | -6 | 0 | -51.0 | -10.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -0.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -24.75
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 | 62% | 62% | 61% | 65% | 59% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Charter Oak Unified 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.
Cedargrove Elementary math proficiency
Zero+ meets standard.
50% less $meal
50% less $meal
53% less $meal
57% 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 Charter Oak Unified (5)
| Badillo Elementary | Cedargrove Elementary | Glen Oak Elementary |
| Washington Elementary | Willow Elementary |