San Leandro High (Data source)
Source data for San Leandro 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 |
||
| 11 | 105384 | 2517 | - | 2628 | = | -111 | * | (579 | / | 579) | = | -111.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for San Leandro High | -111 | ||||||||||||
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 |
||
| 11 | 2965 | 2546 | - | 2628 | = | -82 | * | (555 | / | 555) | = | -82.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for San Leandro High | -82 | ||||||||||||
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 |
||
| 11 | 3047 | 2537 | - | 2628 | = | -91 | * | (620 | / | 620) | = | -91.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for San Leandro High | -91 | ||||||||||||
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 |
||
| 11 | 3047 | 2530 | - | 2628 | = | -98 | * | (602 | / | 602) | = | -98.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for San Leandro High | -98 | ||||||||||||
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 |
||
| 11 | 3071 | 2523 | - | 2628 | = | -105 | * | (575 | / | 575) | = | -105.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for San Leandro High | -105 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -111 | -82 | -91 | -98 | -105 | -487.0 | -97.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -64.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -130.4
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 | 60% | 62% | 58% | 60% | 58% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Leandro Unified school district | County of Alameda
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.
San Leandro High math proficiency
Zero+ meets standard.
48% less $meal
49% less $meal
44% less $meal
49% less $meal
46% 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 San Leandro Unified (1)
| San Leandro High |