Orange Grove Elementary (Data source)
Source data for Orange Grove 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 | 1150814 | 2383 | - | 2436 | = | -53 | * | (69 | / | 207) | = | -17.66666665 | ||
| 4 | 1150815 | 2427 | - | 2485 | = | -58 | * | (71 | / | 207) | = | -19.8937198 | ||
| 5 | 1150818 | 2441 | - | 2528 | = | -87 | * | (67 | / | 207) | = | -28.15942024 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Orange Grove Elementary | -66 | ||||||||||||
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 | 35816 | 2395 | - | 2436 | = | -41 | * | (62 | / | 212) | = | -11.99056603 | ||
| 4 | 35818 | 2417 | - | 2485 | = | -68 | * | (74 | / | 212) | = | -23.735849 | ||
| 5 | 35820 | 2447 | - | 2528 | = | -81 | * | (76 | / | 212) | = | -29.03773585 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Orange Grove Elementary | -65 | ||||||||||||
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 | 36532 | 2410 | - | 2436 | = | -26 | * | (67 | / | 205) | = | -8.49756097 | ||
| 4 | 36533 | 2455 | - | 2485 | = | -30 | * | (64 | / | 205) | = | -9.36585363 | ||
| 5 | 36535 | 2446 | - | 2528 | = | -82 | * | (74 | / | 205) | = | -29.59999994 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Orange Grove Elementary | -47 | ||||||||||||
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 | 36517 | 2405 | - | 2436 | = | -31 | * | (62 | / | 198) | = | -9.7070707 | ||
| 4 | 36520 | 2449 | - | 2485 | = | -36 | * | (68 | / | 198) | = | -12.36363635 | ||
| 5 | 36521 | 2473 | - | 2528 | = | -55 | * | (68 | / | 198) | = | -18.88888887 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Orange Grove Elementary | -41 | ||||||||||||
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 | 36680 | 2437 | - | 2436 | = | 1 | * | (56 | / | 188) | = | 0.29787234 | ||
| 4 | 36681 | 2446 | - | 2485 | = | -39 | * | (62 | / | 188) | = | -12.86170213 | ||
| 5 | 36682 | 2457 | - | 2528 | = | -71 | * | (70 | / | 188) | = | -26.43617018 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Orange Grove Elementary | -39 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -66 | -65 | -47 | -41 | -39 | -258.0 | -51.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -12.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -90.6
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 | 81% | 81% | 78% | 73% | 77% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Whittier City 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.
Orange Grove Elementary math proficiency
Zero+ meets standard.
66% less $meal
71% less $meal
66% less $meal
66% less $meal
68% 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.