Mayfair High (Data source)
Source data for Mayfair 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 |
||
| 7 | 634939 | 2517 | - | 2567 | = | -50 | * | (492 | / | 1470) | = | -16.73469385 | ||
| 8 | 634940 | 2545 | - | 2586 | = | -41 | * | (499 | / | 1470) | = | -13.91768706 | ||
| 11 | 634943 | 2569 | - | 2628 | = | -59 | * | (479 | / | 1470) | = | -19.22517006 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mayfair High | -50 | ||||||||||||
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 |
||
| 7 | 20276 | 2522 | - | 2567 | = | -45 | * | (505 | / | 1474) | = | -15.41723202 | ||
| 8 | 20277 | 2533 | - | 2586 | = | -53 | * | (490 | / | 1474) | = | -17.61872455 | ||
| 11 | 20279 | 2581 | - | 2628 | = | -47 | * | (479 | / | 1474) | = | -15.27340567 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mayfair High | -48 | ||||||||||||
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 |
||
| 7 | 20593 | 2522 | - | 2567 | = | -45 | * | (455 | / | 1367) | = | -14.97805412 | ||
| 8 | 20596 | 2537 | - | 2586 | = | -49 | * | (508 | / | 1367) | = | -18.20921722 | ||
| 11 | 20597 | 2566 | - | 2628 | = | -62 | * | (404 | / | 1367) | = | -18.32333573 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mayfair High | -52 | ||||||||||||
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 |
||
| 7 | 20585 | 2514 | - | 2567 | = | -53 | * | (479 | / | 1353) | = | -18.76348851 | ||
| 8 | 20586 | 2533 | - | 2586 | = | -53 | * | (444 | / | 1353) | = | -17.39246119 | ||
| 11 | 20589 | 2579 | - | 2628 | = | -49 | * | (430 | / | 1353) | = | -15.57280118 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mayfair High | -52 | ||||||||||||
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 |
||
| 7 | 20762 | 2509 | - | 2567 | = | -58 | * | (489 | / | 1399) | = | -20.27305216 | ||
| 8 | 20763 | 2531 | - | 2586 | = | -55 | * | (472 | / | 1399) | = | -18.55611148 | ||
| 11 | 20764 | 2561 | - | 2628 | = | -67 | * | (438 | / | 1399) | = | -20.97641166 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mayfair High | -60 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -50 | -48 | -52 | -52 | -60 | -262.0 | -52.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -40.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -64.4
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 | 56% | 55% | 52% | 56% | 57% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Bellflower Unified school district County of Los Angeles
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Mayfair High math proficiency
Zero+ meets standard.
39% less $meal
38% less $meal
40% less $meal
47% less $meal
48% 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.
High Schools (Public) schools in Bellflower Unified (2)
| Bellflower High | Mayfair High |