Chapman Hills Elementary (Data source)
Source data for Chapman Hills 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 | 1520599 | 2441 | - | 2436 | = | 5 | * | (76 | / | 253) | = | 1.50197628 | ||
| 4 | 1520600 | 2506 | - | 2485 | = | 21 | * | (70 | / | 253) | = | 5.81027666 | ||
| 5 | 1520603 | 2506 | - | 2528 | = | -22 | * | (45 | / | 253) | = | -3.91304346 | ||
| 6 | 1520604 | 2544 | - | 2552 | = | -8 | * | (62 | / | 253) | = | -1.9604743 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Chapman Hills Elementary | 1 | ||||||||||||
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 | 47643 | 2462 | - | 2436 | = | 26 | * | (71 | / | 246) | = | 7.50406504 | ||
| 4 | 47644 | 2500 | - | 2485 | = | 15 | * | (67 | / | 246) | = | 4.08536585 | ||
| 5 | 47647 | 2523 | - | 2528 | = | -5 | * | (68 | / | 246) | = | -1.38211382 | ||
| 6 | 47648 | 2571 | - | 2552 | = | 19 | * | (40 | / | 246) | = | 3.08943089 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Chapman Hills Elementary | 13 | ||||||||||||
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 | 48936 | 2446 | - | 2436 | = | 10 | * | (73 | / | 263) | = | 2.77566539 | ||
| 4 | 48938 | 2503 | - | 2485 | = | 18 | * | (61 | / | 263) | = | 4.17490493 | ||
| 5 | 48941 | 2513 | - | 2528 | = | -15 | * | (66 | / | 263) | = | -3.76425855 | ||
| 6 | 48943 | 2557 | - | 2552 | = | 5 | * | (63 | / | 263) | = | 1.19771863 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Chapman Hills Elementary | 4 | ||||||||||||
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 | 48959 | 2461 | - | 2436 | = | 25 | * | (79 | / | 265) | = | 7.45283018 | ||
| 4 | 48961 | 2480 | - | 2485 | = | -5 | * | (67 | / | 265) | = | -1.26415094 | ||
| 5 | 48963 | 2490 | - | 2528 | = | -38 | * | (60 | / | 265) | = | -8.60377357 | ||
| 6 | 48965 | 2555 | - | 2552 | = | 3 | * | (59 | / | 265) | = | 0.66792453 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Chapman Hills Elementary | -2 | ||||||||||||
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 | 49158 | 2476 | - | 2436 | = | 40 | * | (72 | / | 257) | = | 11.20622568 | ||
| 4 | 49159 | 2503 | - | 2485 | = | 18 | * | (71 | / | 257) | = | 4.97276264 | ||
| 5 | 49160 | 2478 | - | 2528 | = | -50 | * | (62 | / | 257) | = | -12.0622568 | ||
| 6 | 49161 | 2574 | - | 2552 | = | 22 | * | (52 | / | 257) | = | 4.45136186 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Chapman Hills Elementary | 9 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 1 | 13 | 4 | -2 | 9 | 25.0 | 5.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 23.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -13.0
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 | 17% | 20% | 21% | 26% | 22% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Orange Unified school district | County of Orange
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.
Chapman Hills Elementary math proficiency
Zero+ meets standard.
14% less $meal
16% less $meal
17% less $meal
23% less $meal
19% 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.