Washington Middle (Data source)
Source data for Washington Middle
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 | 1084581 | 2421 | - | 2552 | = | -131 | * | (174 | / | 501) | = | -45.49700596 | ||
| 7 | 1084582 | 2451 | - | 2567 | = | -116 | * | (171 | / | 501) | = | -39.59281434 | ||
| 8 | 1084585 | 2475 | - | 2586 | = | -111 | * | (156 | / | 501) | = | -34.5628742 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Washington Middle | -120 | ||||||||||||
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 | 33991 | 2417 | - | 2552 | = | -135 | * | (183 | / | 521) | = | -47.418426 | ||
| 7 | 33994 | 2444 | - | 2567 | = | -123 | * | (174 | / | 521) | = | -41.07869474 | ||
| 8 | 33995 | 2460 | - | 2586 | = | -126 | * | (164 | / | 521) | = | -39.66218802 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Washington Middle | -128 | ||||||||||||
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 | 34587 | 2417 | - | 2552 | = | -135 | * | (168 | / | 509) | = | -44.55795677 | ||
| 7 | 34590 | 2435 | - | 2567 | = | -132 | * | (172 | / | 509) | = | -44.60510802 | ||
| 8 | 34591 | 2446 | - | 2586 | = | -140 | * | (169 | / | 509) | = | -46.4833005 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Washington Middle | -136 | ||||||||||||
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 | 34591 | 2431 | - | 2552 | = | -121 | * | (161 | / | 477) | = | -40.84067081 | ||
| 7 | 34593 | 2425 | - | 2567 | = | -142 | * | (155 | / | 477) | = | -46.14255764 | ||
| 8 | 34595 | 2449 | - | 2586 | = | -137 | * | (161 | / | 477) | = | -46.24109009 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Washington Middle | -133 | ||||||||||||
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 | 34762 | 2446 | - | 2552 | = | -106 | * | (137 | / | 427) | = | -34.00936765 | ||
| 7 | 34763 | 2449 | - | 2567 | = | -118 | * | (147 | / | 427) | = | -40.62295081 | ||
| 8 | 34764 | 2428 | - | 2586 | = | -158 | * | (143 | / | 427) | = | -52.91334885 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Washington Middle | -128 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -120 | -128 | -136 | -133 | -128 | -645.0 | -129.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -111.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -147.0
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 | 90% | 87% | 83% | 78% | 82% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pasadena 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.
Washington Middle math proficiency
Zero+ meets standard.
79% less $meal
78% less $meal
75% less $meal
76% less $meal
77% 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 Pasadena Unified (4)
| Charles W. Eliot Middle | Sierra Madre Middle | Washington Middle |
| Woodrow Wilson Middle |