Mary Chapa Academy (Data source)
Source data for Mary Chapa Academy
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 | 1345565 | 2365 | - | 2436 | = | -71 | * | (123 | / | 379) | = | -23.04221632 | ||
| 4 | 1345566 | 2382 | - | 2485 | = | -103 | * | (129 | / | 379) | = | -35.05804748 | ||
| 5 | 1345569 | 2431 | - | 2528 | = | -97 | * | (127 | / | 379) | = | -32.50395776 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mary Chapa Academy | -91 | ||||||||||||
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 | 42340 | 2387 | - | 2436 | = | -49 | * | (133 | / | 398) | = | -16.37437185 | ||
| 4 | 42343 | 2410 | - | 2485 | = | -75 | * | (135 | / | 398) | = | -25.43969843 | ||
| 5 | 42344 | 2442 | - | 2528 | = | -86 | * | (130 | / | 398) | = | -28.09045219 | ||
| 6 | 42347 | 0 | - | 2552 | = | * | (0 | / | 398) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mary Chapa Academy | -70 | ||||||||||||
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 | 43402 | 2410 | - | 2436 | = | -26 | * | (140 | / | 419) | = | -8.68735083 | ||
| 4 | 43404 | 2421 | - | 2485 | = | -64 | * | (141 | / | 419) | = | -21.53699283 | ||
| 5 | 43406 | 2457 | - | 2528 | = | -71 | * | (138 | / | 419) | = | -23.38424817 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mary Chapa Academy | -54 | ||||||||||||
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 | 43425 | 2396 | - | 2436 | = | -40 | * | (128 | / | 415) | = | -12.33734936 | ||
| 4 | 43426 | 2422 | - | 2485 | = | -63 | * | (146 | / | 415) | = | -22.16385536 | ||
| 5 | 43429 | 2445 | - | 2528 | = | -83 | * | (141 | / | 415) | = | -28.19999999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mary Chapa Academy | -63 | ||||||||||||
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 | 43558 | 2385 | - | 2436 | = | -51 | * | (105 | / | 440) | = | -12.17045451 | ||
| 4 | 43559 | 2437 | - | 2485 | = | -48 | * | (116 | / | 440) | = | -12.65454542 | ||
| 5 | 43560 | 2451 | - | 2528 | = | -77 | * | (114 | / | 440) | = | -19.94999999 | ||
| 6 | 43561 | 2463 | - | 2552 | = | -89 | * | (105 | / | 440) | = | -21.23863631 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mary Chapa Academy | -66 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -91 | -70 | -54 | -63 | -66 | -344.0 | -68.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -29.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -107.8
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 | 84% | 83% | 92% | 95% | 91% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Greenfield Union Elementary school district | County of Monterey
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.
Mary Chapa Academy math proficiency
Zero+ meets standard.
78% less $meal
80% less $meal
83% less $meal
91% less $meal
85% 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 Greenfield Union Elementary (4)
| Arroyo Seco Academy | Cesar Chavez Elementary | Mary Chapa Academy |
| Oak Avenue Elementary |