Chaparral Elementary (Data source)
Source data for Chaparral 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 | 661305 | 2460 | - | 2436 | = | 24 | * | (87 | / | 393) | = | 5.31297708 | ||
| 4 | 661308 | 2489 | - | 2485 | = | 4 | * | (96 | / | 393) | = | 0.97709924 | ||
| 5 | 661309 | 2535 | - | 2528 | = | 7 | * | (101 | / | 393) | = | 1.79898219 | ||
| 6 | 661312 | 2563 | - | 2552 | = | 11 | * | (109 | / | 393) | = | 3.05089058 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Chaparral Elementary | 11 | ||||||||||||
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 | 21006 | 2473 | - | 2436 | = | 37 | * | (95 | / | 396) | = | 8.87626259 | ||
| 4 | 21008 | 2493 | - | 2485 | = | 8 | * | (101 | / | 396) | = | 2.04040404 | ||
| 5 | 21010 | 2523 | - | 2528 | = | -5 | * | (99 | / | 396) | = | -1.25 | ||
| 6 | 21011 | 2563 | - | 2552 | = | 11 | * | (101 | / | 396) | = | 2.80555556 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Chaparral Elementary | 12 | ||||||||||||
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 | 21367 | 2478 | - | 2436 | = | 42 | * | (108 | / | 403) | = | 11.25558311 | ||
| 4 | 21370 | 2503 | - | 2485 | = | 18 | * | (97 | / | 403) | = | 4.3325062 | ||
| 5 | 21371 | 2523 | - | 2528 | = | -5 | * | (99 | / | 403) | = | -1.22828784 | ||
| 6 | 21374 | 2558 | - | 2552 | = | 6 | * | (99 | / | 403) | = | 1.47394541 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Chaparral Elementary | 16 | ||||||||||||
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 | 21344 | 2476 | - | 2436 | = | 40 | * | (89 | / | 363) | = | 9.80716252 | ||
| 4 | 21346 | 2528 | - | 2485 | = | 43 | * | (73 | / | 363) | = | 8.6473829 | ||
| 5 | 21348 | 2539 | - | 2528 | = | 11 | * | (103 | / | 363) | = | 3.12121212 | ||
| 6 | 21350 | 2574 | - | 2552 | = | 22 | * | (98 | / | 363) | = | 5.93939392 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Chaparral Elementary | 28 | ||||||||||||
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 | 21515 | 2489 | - | 2436 | = | 53 | * | (85 | / | 375) | = | 12.0133333 | ||
| 4 | 21516 | 2503 | - | 2485 | = | 18 | * | (88 | / | 375) | = | 4.22399999 | ||
| 5 | 21517 | 2532 | - | 2528 | = | 4 | * | (99 | / | 375) | = | 1.056 | ||
| 6 | 21518 | 2562 | - | 2552 | = | 10 | * | (103 | / | 375) | = | 2.74666666 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Chaparral Elementary | 20 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 11 | 12 | 16 | 28 | 20 | 87.0 | 17.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 35.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -0.6
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 | 15% | 20% | 17% | 23% | 22% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Claremont 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.
Chaparral Elementary math proficiency
Zero+ meets standard.
11% less $meal
16% less $meal
13% less $meal
20% less $meal
20% 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 Claremont Unified (7)
| Chaparral Elementary | Condit Elementary | Mountain View Elementary |
| Oakmont Elementary | Sumner Elementary | Sycamore Elementary |
| Vista del Valle Elementary |