Grovecenter Elementary (Data source)
Source data for Grovecenter 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 | 666453 | 2411 | - | 2436 | = | -25 | * | (84 | / | 250) | = | -8.4 | ||
| 4 | 666454 | 2474 | - | 2485 | = | -11 | * | (73 | / | 250) | = | -3.212 | ||
| 5 | 666457 | 2491 | - | 2528 | = | -37 | * | (93 | / | 250) | = | -13.764 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Grovecenter Elementary | -25 | ||||||||||||
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 | 21142 | 2440 | - | 2436 | = | 4 | * | (69 | / | 229) | = | 1.20524017 | ||
| 4 | 21143 | 2492 | - | 2485 | = | 7 | * | (82 | / | 229) | = | 2.50655021 | ||
| 5 | 21146 | 2534 | - | 2528 | = | 6 | * | (78 | / | 229) | = | 2.04366812 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Grovecenter Elementary | 6 | ||||||||||||
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 | 21510 | 2438 | - | 2436 | = | 2 | * | (86 | / | 245) | = | 0.70204082 | ||
| 4 | 21511 | 2477 | - | 2485 | = | -8 | * | (74 | / | 245) | = | -2.41632653 | ||
| 5 | 21513 | 2540 | - | 2528 | = | 12 | * | (85 | / | 245) | = | 4.1632653 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Grovecenter Elementary | 2 | ||||||||||||
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 | 21496 | 2454 | - | 2436 | = | 18 | * | (84 | / | 271) | = | 5.57933578 | ||
| 4 | 21498 | 2489 | - | 2485 | = | 4 | * | (98 | / | 271) | = | 1.44649446 | ||
| 5 | 21500 | 2521 | - | 2528 | = | -7 | * | (89 | / | 271) | = | -2.29889299 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Grovecenter Elementary | 5 | ||||||||||||
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 | 21670 | 2431 | - | 2436 | = | -5 | * | (92 | / | 277) | = | -1.66064982 | ||
| 4 | 21671 | 2503 | - | 2485 | = | 18 | * | (83 | / | 277) | = | 5.3935018 | ||
| 5 | 21672 | 2531 | - | 2528 | = | 3 | * | (102 | / | 277) | = | 1.10469314 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Grovecenter Elementary | 5 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -25 | 6 | 2 | 5 | 5 | -7.0 | -1.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 37.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -40.4
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 | 73% | 71% | 72% | 74% | 72% |
| 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.
Grovecenter Elementary math proficiency
Zero+ meets standard.
59% less $meal
57% less $meal
55% less $meal
59% 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 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 |