Martin Luther King Jr. Junior High (Data source)
Source data for Martin Luther King Jr. Junior High
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 |
||
| 6 | 224937 | 2471 | - | 2552 | = | -81 | * | (230 | / | 677) | = | -27.5184638 | ||
| 7 | 224938 | 2462 | - | 2567 | = | -105 | * | (263 | / | 677) | = | -40.79025101 | ||
| 8 | 224941 | 2506 | - | 2586 | = | -80 | * | (184 | / | 677) | = | -21.74298368 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Martin Luther King Jr. Junior High | -90 | ||||||||||||
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 |
||
| 6 | 6609 | 2446 | - | 2552 | = | -106 | * | (246 | / | 743) | = | -35.09555844 | ||
| 7 | 6612 | 2470 | - | 2567 | = | -97 | * | (239 | / | 743) | = | -31.20188417 | ||
| 8 | 6614 | 2479 | - | 2586 | = | -107 | * | (258 | / | 743) | = | -37.15477791 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Martin Luther King Jr. Junior High | -103 | ||||||||||||
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 |
||
| 6 | 6793 | 2454 | - | 2552 | = | -98 | * | (235 | / | 716) | = | -32.16480442 | ||
| 7 | 6795 | 2459 | - | 2567 | = | -108 | * | (241 | / | 716) | = | -36.35195522 | ||
| 8 | 6798 | 2474 | - | 2586 | = | -112 | * | (240 | / | 716) | = | -37.54189936 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Martin Luther King Jr. Junior High | -106 | ||||||||||||
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 |
||
| 6 | 6805 | 2430 | - | 2552 | = | -122 | * | (260 | / | 737) | = | -43.03934861 | ||
| 7 | 6808 | 2473 | - | 2567 | = | -94 | * | (238 | / | 737) | = | -30.3554952 | ||
| 8 | 6809 | 2465 | - | 2586 | = | -121 | * | (239 | / | 737) | = | -39.23880589 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Martin Luther King Jr. Junior High | -113 | ||||||||||||
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 |
||
| 6 | 6853 | 2441 | - | 2552 | = | -111 | * | (204 | / | 675) | = | -33.54666664 | ||
| 7 | 6854 | 2471 | - | 2567 | = | -96 | * | (243 | / | 675) | = | -34.56 | ||
| 8 | 6855 | 2488 | - | 2586 | = | -98 | * | (228 | / | 675) | = | -33.10222215 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Martin Luther King Jr. Junior High | -101 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -90 | -103 | -106 | -113 | -101 | -513.0 | -102.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -78.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -126.6
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 | 84% | 82% | 76% | 78% | 79% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pittsburg Unified 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.
Martin Luther King Jr. Junior High math proficiency
Zero+ meets standard.
73% less $meal
71% less $meal
64% less $meal
70% less $meal
68% 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.
Intermediate/Middle Schools (Public) schools in Pittsburg Unified (3)
| Hillview Junior High | Martin Luther King Jr. Junior High | Rancho Medanos Junior High |