Blair High (Data source)
Source data for Blair 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 | 1079662 | 2473 | - | 2552 | = | -79 | * | (139 | / | 493) | = | -22.27383362 | ||
| 7 | 1079665 | 2458 | - | 2567 | = | -109 | * | (98 | / | 493) | = | -21.66734275 | ||
| 8 | 1079666 | 2513 | - | 2586 | = | -73 | * | (133 | / | 493) | = | -19.69371195 | ||
| 11 | 1079669 | 2565 | - | 2628 | = | -63 | * | (123 | / | 493) | = | -15.7180527 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Blair High | -79 | ||||||||||||
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 | 33838 | 2492 | - | 2552 | = | -60 | * | (140 | / | 516) | = | -16.27906974 | ||
| 7 | 33840 | 2501 | - | 2567 | = | -66 | * | (138 | / | 516) | = | -17.65116276 | ||
| 8 | 33842 | 2476 | - | 2586 | = | -110 | * | (108 | / | 516) | = | -23.02325575 | ||
| 11 | 33844 | 2546 | - | 2628 | = | -82 | * | (130 | / | 516) | = | -20.65891469 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Blair High | -78 | ||||||||||||
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 | 34427 | 2491 | - | 2552 | = | -61 | * | (171 | / | 589) | = | -17.70967738 | ||
| 7 | 34429 | 2514 | - | 2567 | = | -53 | * | (138 | / | 589) | = | -12.417657 | ||
| 8 | 34431 | 2521 | - | 2586 | = | -65 | * | (137 | / | 589) | = | -15.1188455 | ||
| 11 | 34433 | 2503 | - | 2628 | = | -125 | * | (143 | / | 589) | = | -30.3480475 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Blair High | -76 | ||||||||||||
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 | 34431 | 2478 | - | 2552 | = | -74 | * | (158 | / | 614) | = | -19.04234526 | ||
| 7 | 34433 | 2464 | - | 2567 | = | -103 | * | (164 | / | 614) | = | -27.51140063 | ||
| 8 | 34435 | 2531 | - | 2586 | = | -55 | * | (141 | / | 614) | = | -12.63029312 | ||
| 11 | 34437 | 2525 | - | 2628 | = | -103 | * | (151 | / | 614) | = | -25.33061881 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Blair High | -85 | ||||||||||||
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 | 34603 | 2463 | - | 2552 | = | -89 | * | (148 | / | 559) | = | -23.56350623 | ||
| 7 | 34604 | 2467 | - | 2567 | = | -100 | * | (150 | / | 559) | = | -26.8336314 | ||
| 8 | 34605 | 2501 | - | 2586 | = | -85 | * | (157 | / | 559) | = | -23.87298746 | ||
| 11 | 34606 | 2489 | - | 2628 | = | -139 | * | (104 | / | 559) | = | -25.86046503 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Blair High | -100 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -79 | -78 | -76 | -85 | -100 | -418.0 | -83.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -56.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -110.6
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 | 72% | 67% | 60% | 60% | 55% |
| 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.
Blair High math proficiency
Zero+ meets standard.
60% less $meal
55% less $meal
51% less $meal
55% less $meal
50% 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.
K-12 Schools (Public) schools in Pasadena Unified (2)
| Blair High | Marshall Fundamental |