Los Perales Elementary (Data source)
Source data for Los Perales 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 | 202881 | 2512 | - | 2436 | = | 76 | * | (51 | / | 172) | = | 22.53488365 | ||
4 | 202884 | 2552 | - | 2485 | = | 67 | * | (68 | / | 172) | = | 26.48837208 | ||
5 | 202885 | 2602 | - | 2528 | = | 74 | * | (53 | / | 172) | = | 22.80232552 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Los Perales Elementary | 72 |
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 | 6029 | 2509 | - | 2436 | = | 73 | * | (68 | / | 184) | = | 26.97826084 | ||
4 | 6032 | 2528 | - | 2485 | = | 43 | * | (46 | / | 184) | = | 10.75 | ||
5 | 6034 | 2598 | - | 2528 | = | 70 | * | (70 | / | 184) | = | 26.63043474 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Los Perales Elementary | 64 |
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 | 6205 | 2489 | - | 2436 | = | 53 | * | (71 | / | 197) | = | 19.10152282 | ||
4 | 6208 | 2538 | - | 2485 | = | 53 | * | (74 | / | 197) | = | 19.9086294 | ||
5 | 6210 | 2575 | - | 2528 | = | 47 | * | (52 | / | 197) | = | 12.40609133 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Los Perales Elementary | 51 |
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 | 6196 | 2484 | - | 2436 | = | 48 | * | (71 | / | 218) | = | 15.6330275 | ||
4 | 6198 | 2515 | - | 2485 | = | 30 | * | (71 | / | 218) | = | 9.77064219 | ||
5 | 6200 | 2580 | - | 2528 | = | 52 | * | (76 | / | 218) | = | 18.12844036 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Los Perales Elementary | 44 |
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 | 6257 | 2503 | - | 2436 | = | 67 | * | (47 | / | 194) | = | 16.23195875 | ||
4 | 6258 | 2540 | - | 2485 | = | 55 | * | (73 | / | 194) | = | 20.69587625 | ||
5 | 6259 | 2576 | - | 2528 | = | 48 | * | (74 | / | 194) | = | 18.3092783 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Los Perales Elementary | 55 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
72 | 64 | 51 | 44 | 55 | 286.0 | 57.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 87.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 27.2
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 | 2% | 1% | 1% | 3% | 2% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Moraga Elementary school district | County of Contra Costa
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.
Los Perales Elementary math proficiency
Zero+ meets standard.

2% less $meal

1% less $meal

1% less $meal

3% less $meal

2% 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 Moraga Elementary (3)
Camino Pablo Elementary | Donald L. Rheem Elementary | Los Perales Elementary |