Mesa Elementary (Data source)
Source data for Mesa 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 | 667801 | 2450 | - | 2436 | = | 14 | * | (100 | / | 308) | = | 4.54545454 | ||
| 4 | 667802 | 2483 | - | 2485 | = | -2 | * | (110 | / | 308) | = | -0.71428571 | ||
| 5 | 667805 | 2501 | - | 2528 | = | -27 | * | (98 | / | 308) | = | -8.59090909 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mesa Elementary | -5 | ||||||||||||
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 | 21182 | 2468 | - | 2436 | = | 32 | * | (101 | / | 323) | = | 10.00619194 | ||
| 4 | 21184 | 2491 | - | 2485 | = | 6 | * | (104 | / | 323) | = | 1.93188854 | ||
| 5 | 21186 | 2530 | - | 2528 | = | 2 | * | (118 | / | 323) | = | 0.73065015 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mesa 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 | 21550 | 2467 | - | 2436 | = | 31 | * | (110 | / | 319) | = | 10.68965517 | ||
| 4 | 21552 | 2502 | - | 2485 | = | 17 | * | (101 | / | 319) | = | 5.38244514 | ||
| 5 | 21553 | 2508 | - | 2528 | = | -20 | * | (108 | / | 319) | = | -6.77115986 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mesa Elementary | 9 | ||||||||||||
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 | 21528 | 2471 | - | 2436 | = | 35 | * | (108 | / | 316) | = | 11.96202529 | ||
| 4 | 21530 | 2495 | - | 2485 | = | 10 | * | (111 | / | 316) | = | 3.51265822 | ||
| 5 | 21532 | 2530 | - | 2528 | = | 2 | * | (97 | / | 316) | = | 0.61392405 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mesa Elementary | 16 | ||||||||||||
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 | 21702 | 2465 | - | 2436 | = | 29 | * | (106 | / | 331) | = | 9.28700904 | ||
| 4 | 21703 | 2498 | - | 2485 | = | 13 | * | (111 | / | 331) | = | 4.35951662 | ||
| 5 | 21704 | 2533 | - | 2528 | = | 5 | * | (114 | / | 331) | = | 1.72205438 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mesa Elementary | 15 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -5 | 13 | 9 | 16 | 15 | 48.0 | 9.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 33.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -14.4
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 | 45% | 45% | 43% | 44% | 45% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Covina-Valley 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.
Mesa Elementary math proficiency
Zero+ meets standard.
33% less $meal
31% less $meal
34% less $meal
37% less $meal
35% 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 Covina-Valley Unified (9)
| Barranca Elementary | Ben Lomond Elementary | Cypress Elementary |
| Grovecenter Elementary | Manzanita Elementary | Merwin Elementary |
| Mesa Elementary | Rowland Avenue Elementary | Workman Avenue Elementary |